Rice Vinegar

May 12, 2021

Rice Vinegar

Rice vinegar is a vinegar type prepared from the fermentation of rice. There are different rice vinegar varieties based on the origin countries, including China, Japan, Korea, and Vietnam. It is commonly used in many Asian dishes due to its mild and slightly sweet taste. Although rice vinegar is not that popular as apple cider vinegar, it does contain various bioactive compounds responsible for various health benefits. In East Asia, people add rice vinegar to sushi rice, slaws, pickled vegetables, and salad dressings. Plus, the inclusion of rice vinegar in dishes does not alter the food appearance. [1]

Rice vinegar is the acetous fermentation of sugars obtained from rice that contain potent bioactive compounds, including phenolic compounds and organic acids. The phenolic compounds in rice vinegar are sinapic acid, ferulic acid, p-hydroxycinnamic acid, acetic acid, vanillic acid, dihydro-ferulic acid, and di-hydrosinapic acid. It also contains certain nutrients such as Potassium, Magnesium, Calcium, and Phosphorus. [1]

Nutritional Information of Rice Vinegar

A credible source reported that one tablespoon serving rice vinegar contains zero calories and less than 1 gram of protein, carbs, fiber, fat, and sugar. [5]

Health benefits of Rice Vinegar

Medical research studies reported the following health benefits of Rice vinegar consumption.

Antioxidant and Anticancer activity

The active constituents in rice vinegar show potent antioxidant activity that relieves oxidative stress and improves cellular integrity. Moreover, animal studies reported that rice vinegar inhibits human cancerous cells' growth and reduces the risk of cancer. In the case of colon adenocarcinoma, it reduces the incidence and multiplicity of carcinomas. [1]

Help High Blood Pressure 

Research studies also reported that rice vinegar helps high blood pressure and supports cardiovascular functions. It inhibits the activity of angiotensin-converting enzymes that regulate high blood pressure. Also, the acetic acid composition act on the renin-angiotensin system and may help lowering blood pressure. However, further research is required to investigate this beneficial effect of rice vinegar. [1]

Improve Blood Sugar and Cholesterol Level

Medical studies stated that consumption of rice vinegar improves high blood sugar and cholesterol level in the blood. It helps insulin activity and aid diabetes management. Plus, rice vinegar regulates and lowers the total cholesterol and triglycerides level that help cardiovascular and liver function. [1, 4, 5]

Support Weight loss

Studies suggest that regular consumption of vinegar increases the feeling of fullness and suppresses appetite that aids weight loss. Thus, rice vinegar also helps weight reduction and improves lean body mass. [4, 5]

Warnings

It is advised to consult your doctor before consuming rice vinegar in the following conditions.

  • In case of hypersensitive to vinegar or its composition
  • If you are a pregnant or breastfeeding mother
  • If you have any severe medical condition.

Usually, rice vinegar consumption is safe; however, it may cause some severe side effects.  

The composition of acetic acid can weaken and damage the teeth over time. Better to use rice vinegar combined with food ingredients. Also, it interferes with the absorption of potassium and decreases its level in the body, leading to osteoporosis. [5]

References:

  1. Ho, C. W., Lazim, A. M., Fazry, S., Zaki, U. K. H. H., & Lim, S. J. (2017). Varieties, production, composition and health benefits of vinegars: A review. Food Chemistry, 221, 1621–1630. doi:10.1016/j.foodchem.2016.10.128 https://sci-hub.se/10.1016/j.foodchem.2016.10.128
  2. Kanouchi, H., Kakimoto, T., Nakano, H., Suzuki, M., Nakai, Y., Shiozaki, K., Akikoka, K., Otomaru, K., Nagano, M., & Matsumoto, M. (2016). The Brewed Rice Vinegar Kurozu Increases HSPA1A Expression and Ameliorates Cognitive Dysfunction in Aged P8 Mice. PloS one, 11(3), e0150796. https://doi.org/10.1371/journal.pone.0150796
  3. Shimoji, Y., Kohno, H., Nanda, K., Nishikawa, Y., Ohigashi, H., Uenakai, K., & Tanaka, T. (2004). Extract of Kurosu, a vinegar from unpolished rice, inhibits azoxymethane-induced colon carcinogenesis in male F344 rats. Nutrition and cancer, 49(2), 170–173. https://doi.org/10.1207/s15327914nc4902_8
  4. Gu, X., Zhao, H. L., Sui, Y., Guan, J., Chan, J. C., & Tong, P. C. (2012). White rice vinegar improves pancreatic beta-cell function and fatty liver in streptozotocin-induced diabetic rats. Acta diabetologica, 49(3), 185–191. https://doi.org/10.1007/s00592-010-0184-6
  5. https://www.webmd.com/diet/rice-vinegar-good-for-you

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